first simple version of TOC working

src/file/table-of-contents/instruction.ts

@@ -0,0 +1,13 @@
+import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
+
+class TextAttributes extends XmlAttributeComponent<{ space: "default" | "preserve" }> {
+    protected xmlKeys = { space: "xml:space" };
+}
+
+export class TableOfContentsInstruction extends XmlComponent {
+    constructor() {
+        super("w:instrText");
+        this.root.push(new TextAttributes({ space: "preserve" }));
+        this.root.push("TOC");
+    }
+}

src/file/table-of-contents/table-of-contents.spec.ts

@@ -9,9 +9,39 @@ const DEFAULT_TOC = {
             "w:pPr": [],
         },
         {
-            "w:r": [
+            "w:fldChar": [
                 {
-                    "w:fldChar": [],
+                    _attr: {
+                        "w:fldCharType": "begin",
+                    },
+                },
+            ],
+        },
+        {
+            "w:fldChar": [
+                {
+                    _attr: {
+                        "w:fldCharType": "separate",
+                    },
+                },
+            ],
+        },
+        {
+            "w:instrText": [
+                {
+                    _attr: {
+                        "xml:space": "preserve",
+                    },
+                },
+                "TOC",
+            ],
+        },
+        {
+            "w:fldChar": [
+                {
+                    _attr: {
+                        "w:fldCharType": "end",
+                    },
                 },
             ],
         },
@@ -23,6 +53,7 @@ describe("Table of Contents", () => {
         it("should construct a TOC with default options", () => {
             const toc = new TableOfContents();
             const tree = new Formatter().format(toc);
+            // console.log(JSON.stringify(tree, null, 2));
             expect(tree).to.be.deep.equal(DEFAULT_TOC);
         });
     });

src/file/table-of-contents/table-of-contents.ts

@@ -1,5 +1,7 @@
 // import { TableOfContentsProperties } from "./properties";
-import { Paragraph } from "../paragraph";
+import { Paragraph } from "file/paragraph";
+import { Begin, End, Separate } from "file/paragraph/run/field";
+import { TableOfContentsInstruction } from "./instruction";
 
 export class TableOfContents extends Paragraph {
     // private readonly tocProperties: TableOfContentsProperties;
@@ -7,5 +9,9 @@ export class TableOfContents extends Paragraph {
     constructor(/*tocProperties?: TableOfContentsProperties*/) {
         super();
         // this.tocProperties = tocProperties || new TableOfContentsProperties();
+        this.root.push(new Begin());
+        this.root.push(new Separate());
+        this.root.push(new TableOfContentsInstruction());
+        this.root.push(new End());
     }
 }